A fourth member of the hacktivist group LulzSec has pled guilty to attacking websites owned by Sony, Nintendo, and News Corp., according to Bloomberg. Ryan Ackroyd entered a guilty plea at a hearing in London today. He will be sentenced on May 14 along with the three other hackers, according to presiding Judge Deborah Taylor.
Ackroyd had previously denied any involvement in the 2011 cyber-attacks that brought down various websites including the Arizona State Police, Sony, News Corp.’s Twentieth Century Fox, the U.K.’s National Health Service and technology-security company HBGary Inc. It is not clear if this is the same group from LulzSec that also attacked Eve Online servers or the gaming website, The Escapist.
Two other defendants in this particular case - Jake Davis, and Mustafa Al-Bassam - had previously pled to disrupting websites at the Central Intelligence Agency and the U.K.’s Serious Organised Crime Agency. Ryan Cleary, the fourth member of the group, pled guilty to six charges in June. Cleary also admitted to installing or altering files on Pentagon computers operated by the U.S. Air Force and constructing a botnet to perform distributed denial of service attacks and direct it to target websites operated by a U.K. web hosting site.